Flutter Markdown Custom Widget Code in FF UI

MarkdownCustomWidget.dart

import 'package:flutter_markdown/flutter_markdown.dart';

class MarkdownCustomWidget extends StatefulWidget {
  const MarkdownCustomWidget({Key{NULL_SAFE_QUESTION_SENTINEL} key , 
                              this.width,
                              this.height,
                              this.markdownData, }) : super(key: key);

  final double{NULL_SAFE_QUESTION_SENTINEL} width;
	final double{NULL_SAFE_QUESTION_SENTINEL} height;
	final String{NULL_SAFE_QUESTION_SENTINEL} markdownData;

  @override
  _MarkdownCustomWidgetState createState() => _MarkdownCustomWidgetState();
}

class _MarkdownCustomWidgetState extends State<MarkdownCustomWidget>  {
  
  
  @override
  Widget build(BuildContext context) {
    
    return Container(child: Markdown(data: widget.markdownData));

  }
}